15. Incorporation of Supplementary Cementitious Materials (SCMs)

Try these first

1. 1.

   What are SCMs?

   Hint

   Think about materials that supplement cement.

2. 2.

   Name one type of SCM.

   Hint

   Consider industrial byproducts.

3. 3.

   What is the primary benefit of using Silica Fume in concrete?

   • Reduces setting time
   • Increases strength
   • Decreases workability

   Hint

   Remember the characteristics of very fine materials.

4. 4.

   True or False: GGBS can enhance concrete's resistance to sulfate attacks.

   • True
   • False

   Hint

   Consider the properties it enhances.

5. 5.

   If a project requires concrete to endure sulfuric acid exposure, which SCM would be most beneficial to include, and why?

   Hint

   Consider the properties of different SCMs.

6. 6.

   Design a concrete mix with 25% Fly Ash and discuss how this impacts water content and required admixtures.

   Hint

   Refer to the characteristics of Fly Ash in terms of water requirements.